P2‐329: TRACKING WHITE MATTER DEGENERATION IN ASYMPTOMATIC AND SYMPTOMATIC MAPT MUTATION CARRIERS WITH DTI. (1st July 2019) - Chen, Qin; Boeve, Bradley F.; Schwarz, Christopher G.; Reid, Robert I.; Tosakulwong, Nirubol; Lesnick, Timothy G.; Bove, Jessica; Brannelly, Patrick; Brushaber, Danielle; Coppola, Giovanni; Dheel, Christina; Dickerson, Brad C.; et al.